Answer in brief
CVE-2026-72066 records a High severity (CVSS 7.8) vulnerability in cpu: hotplug: Bound hotplug states sysfs output. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <2408be459c70ef4250da1a9e50f5478e6b250d61 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <de4d3d8ae17dc8b4cf8c59436c4b7e2dc2491635 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <998f66e9ce320f3433f60b948e3698b744754a46 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <61a73a123ac7a7fbc57382531f8cb7092d569aba || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <6cb15b81ff545840048fb0e1a6e827d560dbf367 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <631d53102da9f469c96b882b770336bec095b833 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <86f436567f2516a0083b210bedc933544826a2c3 | 2408be459c70ef4250da1a9e50f5478e6b250d61, de4d3d8ae17dc8b4cf8c59436c4b7e2dc2491635, 998f66e9ce320f3433f60b948e3698b744754a46, 61a73a123ac7a7fbc57382531f8cb7092d569aba, 6cb15b81ff545840048fb0e1a6e827d560dbf367, 631d53102da9f469c96b882b770336bec095b833, 86f436567f2516a0083b210bedc933544826a2c3 |
| Linux/Linuxgeneric | 4.6 | Not reported |
| Linux/Linuxgeneric | >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <27481cf4365a6ff5c9be3590143e7ed434000266 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <2408be459c70ef4250da1a9e50f5478e6b250d61 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <de4d3d8ae17dc8b4cf8c59436c4b7e2dc2491635 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <998f66e9ce320f3433f60b948e3698b744754a46 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <61a73a123ac7a7fbc57382531f8cb7092d569aba || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <6cb15b81ff545840048fb0e1a6e827d560dbf367 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <631d53102da9f469c96b882b770336bec095b833 || >=98f8cdce1db580b99fce823a48eea2cb2bdb261e <86f436567f2516a0083b210bedc933544826a2c3 | 27481cf4365a6ff5c9be3590143e7ed434000266, 2408be459c70ef4250da1a9e50f5478e6b250d61, de4d3d8ae17dc8b4cf8c59436c4b7e2dc2491635, 998f66e9ce320f3433f60b948e3698b744754a46, 61a73a123ac7a7fbc57382531f8cb7092d569aba, 6cb15b81ff545840048fb0e1a6e827d560dbf367, 631d53102da9f469c96b882b770336bec095b833, 86f436567f2516a0083b210bedc933544826a2c3 |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 15, 2026
In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Bound hotplug states sysfs output states_show() adds CPU hotplug state names into a single sysfs buffer using sprintf(). With enough registered states, this can write past the end of the PAGE_SIZE buffer. Use sysfs_emit_at() so output is bounded.
Quoted source text, attributed separately from HOL analysis.